Finding the Fourth Proportional to 10,528.50, 15,787.46 and 3,506.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,528.50 : 15,787.46 = 3,506.04 : x
2. Step 2: Convert to fraction form
   10,528.50/15,787.46 = 3,506.04/x
3. Step 3: Cross multiply
   10,528.50x = 15,787.46 × 3,506.04
4. Step 4: Simplify right side
   10,528.50x = 55,351,387.32
5. Step 5: Solve for x
   x = 55,351,387.32/10,528.50
6. Step 6: Final answer
   x = 5,257.29